package com.obelisco.vista.servlet;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import com.obelisco.modelo.data.auxiliares.Archivo;

public class ObeliscoReporteServlet extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public ObeliscoReporteServlet() {
		super();
	} 

	/**
	 * The doGet method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to get.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		HttpSession session = request.getSession();
		
		String id = request.getParameter("id");
		
		Archivo archivo = (Archivo) session.getAttribute(id);
		
		if (archivo != null) {

	    	response.setContentType(archivo.getTipo());	
	    	
	    	byte[] bytes = archivo.getContenido();

	    	response.setContentLength(bytes.length);            	
	    	ServletOutputStream ouputStream = response.getOutputStream();            	
	    	ouputStream.write(bytes, 0, bytes.length);            	
	    	ouputStream.flush();            	
	    	ouputStream.close();
	    	
	    	session.removeAttribute(id);
			
		}

	}

	/**
	 * The doPost method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to post.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		
		doGet(request,response);
	}

}
